u can fit a cvh into a mk1 escort & im pretty sure u can use any of the gearboxes.

u will have 2 make up mounts for the engine

also u have the problem with the dizzy as this will be faceing the bulkead & will require mods. unless u go with a efi rs turbo engine as u can bolt the coilpack anywhere.

heres a pic of an rs turbo engine in a capri